<template>
  <el-form label-width="90px">
    <el-form-item label="SKU名称">
      <el-input placeholder="SKU名称" v-model="skuParams.skuName"></el-input>
    </el-form-item>
    <el-form-item label="价格(元)">
      <el-input placeholder="价格(元)" type="number" v-model="skuParams.price"></el-input>
    </el-form-item>
    <el-form-item label="重量(g)">
      <el-input placeholder="重量(g)" type="number" v-model="skuParams.weight"></el-input>
    </el-form-item>
    <el-form-item label="SKU描述">
      <el-input placeholder="SKU描述" type="textarea" v-model="skuParams.skuDesc"></el-input>
    </el-form-item>
    <el-form-item label="平台属性">
      <el-form :inline="true" label-width="100px">
        <el-form-item :label="item.attrName" v-for="(item, index) in attrArr" :key="item.id">
          <el-select v-model="item.attrIdAndValueId" style="width: 150px">
            <el-option
              :value="`${item.id}:${attrValue.id}`"
              :label="attrValue.valueName"
              v-for="(attrValue, index) in item.attrValueList"
              :key="attrValue.id"
            ></el-option>
          </el-select>
        </el-form-item>
      </el-form>
    </el-form-item>
    <el-form-item label="销售属性">
      <el-form :inline="true">
        <el-form-item :label="item.saleAttrName" v-for="(item, index) in saleArr" :key="item.id">
          <el-select v-model="item.saleIdAndValueId" style="width: 150px">
            <el-option
              :value="`${item.id}:${saleAttrValue.id}`"
              :label="saleAttrValue.saleAttrValueName"
              v-for="(saleAttrValue, index) in item.spuSaleAttrValueList"
              :key="saleAttrValue.id"
            ></el-option>
          </el-select>
        </el-form-item>
      </el-form>
    </el-form-item>
    <el-form-item label="图片名称">
      <el-table border :data="imgArr" ref="table">
        <el-table-column type="selection" width="80px" align="center"></el-table-column>
        <el-table-column label="图片">
          <template #="{ row, $index }">
            <img :src="row.imgUrl" alt="" style="width: 100px; height: 100px" />
          </template>
        </el-table-column>
        <el-table-column label="名称" prop="imgName"></el-table-column>
        <el-table-column label="操作">
          <template #="{ row, $index }">
            <el-button type="primary" size="small" @click="handler(row)"> 设置默认 </el-button>
          </template>
        </el-table-column>
      </el-table>
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="default" @click="save">保存</el-button>
      <el-button size="default" @click="cancel">取消</el-button>
    </el-form-item>
  </el-form>
</template>
<script setup lang="ts">
import { reqAttr } from '@/api/product/attr'
import { reqSpuImageList, reqSpuHasSaleAttr, reqAddSku } from '@/api/product/spu'
import { ref, reactive } from 'vue'
import type { SkuData } from '@/api/product/spu/type'
import { ElMessage } from 'element-plus'
let $emit = defineEmits(['changeScene'])
//平台属性
let attrArr = ref<any>([])
//销售属性
let saleArr = ref<any>([])
//照片数据
let imgArr = ref<any>([])
//获取table组件实例
let table = ref<any>()
//收集SKU的参数
let skuParams = reactive<SkuData>({
  category3Id: '',
  spuId: '',
  tmId: '',
  skuName: '',
  price: '',
  weight: '',
  skuDesc: '',
  skuAttrValueList: [
    // {
    //   attrId: '',
    //   valueId: '',
    // },
  ],
  skuSaleAttrValueList: [
    // {
    //   saleAttrId: '',
    //   saleAttrValueId: '',
    // },
  ],
  skuDefaultImg: ''
})
//取消按钮的回调
const cancel = () => {
  $emit('changeScene', { flag: 0, params: '' })
}

//初始化SKU模块，对父组件外暴露该方法
const initSkuData = async (c1Id: number | string, c2Id: number | string, spu: any) => {
  //收父组件传递过来的数据
  skuParams.category3Id = spu.category3Id
  skuParams.spuId = spu.id
  skuParams.tmId = spu.tmId
  //获取平台属性
  let res: any = await reqAttr(c1Id, c2Id, spu.category3Id)
  //获取对应的销售属性
  let res1: any = await reqSpuHasSaleAttr(spu.id)
  //获取照片墙数据
  let res2: any = await reqSpuImageList(spu.id)
  //存起来
  attrArr.value = res.data
  saleArr.value = res1.data
  imgArr.value = res2.data
}

//设置默认图片的方法
const handler = (row: any) => {
  //点击的时候，先让所有的复选框不勾选
  imgArr.value.forEach((item: any) => {
    table.value.toggleRowSelection(item, false)
  })
  //复选框选中
  table.value.toggleRowSelection(row, true)
  //收集图片地址
  skuParams.skuDefaultImg = row.imgUrl
}

//保存按钮回调
const save = async () => {
  //整理参数
  //平台属性
  skuParams.skuAttrValueList = attrArr.value.reduce((prev: any, next: any) => {
    if (next.attrIdAndValueId) {
      let [attrId, valueId] = next.attrIdAndValueId.split(':')
      prev.push({
        attrId,
        valueId
      })
    }
    return prev
  }, [])
  //销售属性
  skuParams.skuSaleAttrValueList = saleArr.value.reduce((prev: any, next: any) => {
    if (next.saleIdAndValueId) {
      let [saleAttrId, saleAttrValueId] = next.saleIdAndValueId.split(':')
      prev.push({
        saleAttrId,
        saleAttrValueId
      })
    }
    return prev
  }, [])
  //发送请求
  let res = await reqAddSku(skuParams)
  if (res.code === 200) {
    ElMessage({
      type: 'success',
      message: '添加SKU成功'
    })
    $emit('changeScene', { flag: 0, params: '' })
  } else {
    ElMessage({
      type: 'error',
      message: '添加SKU失败'
    })
  }
}
defineExpose({
  initSkuData
})
</script>
<style lang="scss" scoped></style>
